$49 Cheap United flights Boston (BOS) to Washington (WAS)

$49 Cheap United flights Boston (BOS) to Washington (WAS)

Prices were available within the past 7 days and start at $49 for one-way flights and $97 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 4 - Wed, Dec 10

BOS

Boston

IAD

Washington

$97 Roundtrip, just found

$97

Roundtrip

just found

Select United flight, departing Thu, Dec 4 from Boston to Washington, returning Wed, Dec 10, priced at $97 just found

Tue, Dec 9 - Wed, Dec 10

BOS

Boston

IAD

Washington

$105 Roundtrip, found 6 hours ago

$105

Roundtrip

found 6 hours ago

Select United flight, departing Tue, Dec 9 from Boston to Washington, returning Wed, Dec 10, priced at $105 found 6 hours ago

Tue, Nov 18 - Mon, Nov 24

BOS

Boston

IAD

Washington

$107 Roundtrip, just found

$107

Roundtrip

just found

Select United flight, departing Tue, Nov 18 from Boston to Washington, returning Mon, Nov 24, priced at $107 just found

Sat, Nov 1 - Wed, Nov 5

BOS

Boston

IAD

Washington

$110 Roundtrip, just found

$110

Roundtrip

just found

Select United flight, departing Sat, Nov 1 from Boston to Washington, returning Wed, Nov 5, priced at $110 just found

Tue, Nov 4 - Thu, Nov 6

BOS

Boston

IAD

Washington

$114 Roundtrip, just found

$114

Roundtrip

just found

Select United flight, departing Tue, Nov 4 from Boston to Washington, returning Thu, Nov 6, priced at $114 just found

Mon, Dec 15 - Thu, Dec 25

BOS

Boston

IAD

Washington

$114 Roundtrip, found 10 hours ago

$114

Roundtrip

found 10 hours ago

Select United flight, departing Mon, Dec 15 from Boston to Washington, returning Thu, Dec 25, priced at $114 found 10 hours ago